How to Control Flash Output Manually with a Nikon D3100 - dummies
Meike MK-MT24 Macro Twin Lite Flash for Nikon D3X D200 D300 D300S D700 D800 D810 D80 D90 D600 D610 D3100 D3200 Digital SLR Camer - AliExpress
Excellent Nikon D3100 DSLR CAMERA & NIKON SPEEDLIGHT&More.MUST READ AD - photo/video - by owner - electronics sale -...
NEEWER Z1-N TTL Round Head Flash Speedlite for Nikon DSLR Cameras - NEEWER
Nikon D3100 Troubleshooting - iFixit
Amazon.com : Giant All You Need Accessory KIT for Nikon D3100 D3200 D5000 D5100 with Backpack Tripod Flash TELEPHOTO Lens Wide Angle Lens Filter KIT Remote Control Close UP Lenses 2 EN-EL14
Nikon D3100
V1N Round Head Camera Flash Speedlite TTL 24G HSS Speedlight for Nikon DSLR Cameras for Nikon
SPEEDLIGHT CAMERA FLASH + 54 LIGHT LED FOR NIKON D3100 D3200 D3400 D3500 D5000 | eBay
Black bar across the top of the photo. No flash is used (Nikon D-3100) : r/ Nikon